World Series

American  

Or World's Series

noun

Baseball.

1. an annual series of games between the winning teams of the two major leagues: the first team to win four games being champions of the U.S.

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World Series British  

noun

1. baseball (in the US and Canada) a best-of-seven playoff for the world championship between the two winning teams in the major leagues at the end of the season

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World Series Cultural  

1. A series of baseball games held each October between the champions of the two major baseball leagues, the American League and the National League.

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Etymology

Origin of World Series

An Americanism dating back to 1885–90

Example Sentences

The New York Mets last won the World Series in 1986, the Yankees in 2009.

From The Wall Street Journal • Jun. 7, 2026

Alex Todd has scored prime seats to Super Bowls, Stanley Cup Finals, the World Series and every New York Knicks playoff game this year besides their matchup on Mother’s Day.

From The Wall Street Journal • Jun. 5, 2026

Not surprisingly, the two-time defending World Series champions dominated a Loyola Marymount poll that asked residents to identify their favorite pro team among the 12 in the local media market.

From Los Angeles Times • Jun. 3, 2026

Former Mayor Rudy Giuliani revered the New York Yankees, which won four World Series championships during his two terms.

From The Wall Street Journal • Jun. 2, 2026

He’d always dreamed of playing in the World Series.

From "The Missing Mitt (The Hardy Boys: Secret Files, #2)" by Franklin W. Dixon